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	hartrees
Energy at 0K	-10362.429167
Energy at 298.15K
HF Energy	-10362.429167
Nuclear repulsion energy	1455.982848

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	1649	1586	0.00	23.46	0.21	0.34
2	A_g	254	244	0.00	14.63	0.19	0.32
3	A_g	141	136	0.00	4.75	0.70	0.82
4	A_u	59	57	0.00	0.00	0.00	0.00
5	B_1u	601	578	34.49	0.00	0.00	0.00
6	B_1u	181	174	0.07	0.00	0.00	0.00
7	B_2g	529	508	0.00	2.65	0.75	0.86
8	B_2u	725	697	138.42	0.00	0.00	0.00
9	B_2u	117	112	0.42	0.00	0.00	0.00
10	B_3g	842	810	0.00	10.81	0.75	0.86
11	B_3g	211	203	0.00	4.58	0.75	0.86
12	B_3u	251	242	3.29	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.667
C2	0.000	-0.667
Br3	1.619	1.706
Br4	-1.619	1.706
Br5	-1.619	-1.706
Br6	1.619	-1.706

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3347	1.9236	1.9236	2.8732	2.8732
C2	1.3347		2.8732	2.8732	1.9236	1.9236
Br3	1.9236	2.8732		3.2377	4.7042	3.4128
Br4	1.9236	2.8732	3.2377		3.4128	4.7042
Br5	2.8732	1.9236	4.7042	3.4128		3.2377
Br6	2.8732	1.9236	3.4128	4.7042	3.2377

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.695	C1	C2	Br6	122.695
C2	C1	Br3	122.695	C2	C1	Br4	122.695
Br3	C1	Br4	114.611	Br5	C2	Br6	114.611

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B3LYP/6-31G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Number	Element	Mulliken
1	C	-0.449
2	C	-0.449
3	Br	0.225
4	Br	0.225
5	Br	0.225
6	Br	0.225

<r²>	831.235
(<r²>)^1/2	28.831

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B3LYP/6-31G

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)